56597723 has 16 divisors (see below), whose sum is σ = 71909376. Its totient is φ = 43333920.

The previous prime is 56597719. The next prime is 56597731. The reversal of 56597723 is 32779565.

It is not a de Polignac number, because 56597723 - 2² = 56597719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56597773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7211 + ... + 12852.

It is an arithmetic number, because the mean of its divisors is an integer number (4494336).

Almost surely, 2^56597723 is an apocalyptic number.

56597723 is a deficient number, since it is larger than the sum of its proper divisors (15311653).

56597723 is a wasteful number, since it uses less digits than its factorization.

56597723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20114.

The product of its digits is 396900, while the sum is 44.

The square root of 56597723 is about 7523.1458180737. The cubic root of 56597723 is about 383.9426161177.

The spelling of 56597723 in words is "fifty-six million, five hundred ninety-seven thousand, seven hundred twenty-three".